build.yml

name: Docker Image CI

on:
  push:
    branches: [ "main" ]
    tags:
      - 'v*'
  pull_request:
    branches: [ "main" ]

jobs:

  build:

    runs-on: ubuntu-latest

    steps:
    - name: Checkout code
      uses: actions/checkout@v4

    - name: Build the Docker image
      run: docker build . --file Dockerfile --tag ghcr.io/prodyna/deployment-overview:latest

    # if tag, get the tag as variable
    - name: Get tag if available
      if: startsWith(github.ref, 'refs/tags/v')
      run: echo "tag=${GITHUB_REF#refs/tags/*}" >> $GITHUB_ENV

    # Login to the GitHub Container Registry
    - name: Login to the GitHub Container Registry
      run: echo ${{ secrets.GITHUB_TOKEN }} | docker login ghcr.io -u ${{ github.actor }} --password ${{ secrets.GITHUB_TOKEN }}

    # Push latest to GitHub Container Registry
    - name: Push the latest Docker image to the GitHub Container Registry
      run: docker push ghcr.io/prodyna/deployment-overview:latest

    # if tagged, push the image to the GitHub Container Registry
    - name: Push the tagged Docker image to the GitHub Container Registry
      if: startsWith(github.ref, 'refs/tags/v')
      run: |
        docker tag ghcr.io/prodyna/deployment-overview:latest ghcr.io/prodyna/deployment-overview:${{ env.tag }}
        docker push ghcr.io/prodyna/deployment-overview:${{ env.tag }}